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1. below the preset level then i if Reset mode is AUTO then it comes back to Normal mode ii if RESET mode is MANUAL then it comes back to NORMAL mode only after RESET key is pressed DOSERATE 6x7 segment display This gives the visual display of the current dose rate in acquisition mode in the unit selected By default it shows in mR hr unit STATUS DISPLAY 16x2 LCD dot matrix display This is a 16 X 2 alpha numeric LCD dot matrix display and responds to all the commands from the keypad and displays dose rate in acquisition mode with A blinking It also displays the different parameters like Preset alarm level Reset mode Audio status Baud rate Calibration adjustment Audio frequency adjustment etc UNIT INDICATIONS There are FOUR LED indications to show up the unit selected for measurement by the user These are mR hr uSv hr com amp cps A C MAINS LAMP This is a neon lamp indication which glows when the unit is in ON condition 3 2 FRONT PANEL CONTROLS 3 2 1 KEYPAD This is a tuctile keypad with electrical connections taken to the main PCB The follow fig shown the key functions provided on this keypad Functions of these keys are explained in detail under operating instructions 3 3 3 3 1 3 3 2 3 3 3 3 4 3 4 1 EHT key On pressing this button it shows up EHT applied to detector on LED display PROG key Using this button all program2. it will cost more which includes Engineer s TA amp DA etc apart from basic service charges cost of spares etc Please note that basic service charges will be different for different products depending upon sophistication Also in some cases it may not be possible to fix up the problems in the field itself in such cases we may advise you to send them to our works For all jobs to be serviced in the field customer is requested to provide adequate details on the nature of problems to enable our engineer to come prepared with adequate spares For any additional information send an e mail to info nucleonix com Atten Customer support division EQUIPMENT REPAIRS SERVICING POLICY FOR EXPORTS Equipments manufactured amp exported are subjected to a well defined quality assurance QA plan amp Factory acceptance tests FAT Nucleonix systems has the following policy to provide maintenance support to overseas customers either directly or through international dealers distributors During amp after warranty For minor problems which can be handled by customers servicing tips have been provided in the user manual servicing manual Also most of the equipments have built in fault diagnostic features which will indicate to the user nature of problem in the equipment Based on the visual indication in the instrument Display user can take corrective action or contact Nucleonix systems by email for help Nucleonix systems will guide
3. under ALARM condition Remote alarm acknowledgement and reset signals for the field instruments Normally open contact Indication of instrument fault condition detector EHT and LV supplies over range amp overload conditions by up scale 4 20 mA 22 5 mA All these signals are terminated on a 17 pin I O connector Allied Connectors The corresponding mating plug with 5 mtr cable is supplied with the monitor RJ45 connector for Ethernet port RS 485 serial port optional This is provided on a pair of D type connectors male amp female Computer Interface The monitor shall have a Ethernet 10 100 Mbps port for interfacing with a remote IBM PC compatible computer The features supported by Ethernet port are given below The PC and the monitor shall operate in a host slave configuration and the software protocol will be MODBUS TCP The PC as the host shall give commands and send queries The monitor will carry out various functions in response to the queries The firmware of the monitor shall be able to send the instrument data like instrument ID instrument type input range display range alarm settings alarm status current reading diagnostic status of EHT GM tube etc to the Host PC on demand The firmware shall be able to receive commands from Host PC and carry out the setting of different parameters like instrument ID instrument type input range display range alarm settings Ack Reset instrument address etc R
4. ED indication amp EHT message on display b c Microprocessor microcontroller failure Visual alarm with flashing green lamp d Detector failure Visual alarm with flashing red LED amp d FL message on display Fault indications shall be cleared automatically if normal status is resumed Detector Housing a The G M Detector is located external to the Monitor b It is housed in a suitable air tight SS shell with built in pre amplifier to drive upto 50 mtrs long cable It complies to IP54 protection levels 20mm thick lead shielding for pipeline mounting is provided SS straps for fixing the probe onto pipeline is provide Monitor Enclosure a Vapor tight rugged amp elegant b The door is provided with lock and key arrangement c The enclosure is designed to qualify minimum industrial protection Class IP 54 Mounting Detector housing along with lead shielding is mounted using clamps the pipeline The monitor is wall mountable type Brackets for the monitor amp detector housing are supplied along with the equipment Remote External Console a b 4 20 mA linear proportional to full scale display output Current output will be able to drive load of 600 ohms Output circuitry shall be able to drive 200 mtrs of twisted pair of wires Two sets of potential free contacts of Alarm relay Change over Contact rating 3 Amp at 250 VAC The relay gets energized on NORMAL condition and de energized
5. IN INDIA During Warrantee The following procedure is to be followed by the customers with in India for availing services repairing facility during warrantee period e Equipments are to be sent to our works for availing free repair services during warrantee after the customer receives approval from the customer support division by sending an e mail e For all equipments costing less than 6 0 lakhs one year warrantee amp free service is offered when the equipments are sent to our works only For larger systems such as installed systems networked systems specialized systems costing more than 6 0 lakhs during one year warrantee free service is offered at site Field service Engineer will be deputed subject to warrantee terms amp conditions e This does not include personal computer related problems for which local computer service provider of the PC vendor is to be contacted Also for software related problems online support will be provided Software support doesn t include cleaning of virus problems etc e When the equipments are sent to our works for warrantee services they are to be properly packed with adequate cushion to prevent any transportation damages Nucleonix Systems is not responsible for damages or loss during transportation e Packing Freight charge is to be borne by customer when he sends the equipment to our works However when we return after servicing packing will be Nucleonix responsibility amp Freight charges wi
6. INSTRUCTION MANUAL SPECIAL PURPOSE GAMMA MONITOR FORE ARRA NAMMA MOM MODEL NO GA720P NUCLEONIX SYSTEMS PRIVATE LIMITED Plot No 162 A amp B Phase Il D A Cherlapally Hyderabad 500 051 Ph 91 040 27263701 Fax 27262146 e mail info nucleonix com Document Name Instruction manual Date 31 03 2011 CHAPTER No CHAPTER CHAPTER II CHAPTER III CHAPTER IV CHAPTER V CHAPTER VI CONTENTS Title of the contents Unpacking Introduction Technical Specifications Front panel and Side panel controls indications Block diagram amp Description Operating Instructions Availing services for Equipment Maintenance calibration and warranty clause Page No 01 01 02 05 06 10 11 13 14 19 20 23 UNPACKING The Special Purpose Gamma Monitor Type GA720P has been thoroughly tested and is dispatched in ready to integrate with detector probe with lead shielding assembly amp install at the desired location However on unpacking and prior to operation it is advisable to check visually and make sure that there is no visible damage caused in transit Also checkup the items instrument accessories cables etc physically by verifying with the packing list contents for correct types amp quantities Any discrepancy if found may please be communicated by email to Head Customer support division Typical packed carton may contain a Electronic unit GA720P b Wall mounting bracket c Lea
7. S connector Male connector To Detector Probe 9 pin D Male Connector RS485 IN amp RS845 OUT 17 pin MS Female connector EXT I O 3 pin MS Male connector Mains Fuse holder Fig Side panel connectors Detector Cathode Detector Anode is connected to 4 7 M Q load resistor Detector probe with 5 pin MS connector Detector mounting on PCB male 3 5 ACCESSORIES The following are the additional mechanical accessories provided along with the main unit Detector probe with lead shielding Seismic qualified floor mounting stand for arrangement for fixing onto 33 mm Electronic Unit pipe lines Wall mounting bracket for Electronic Unit Note Detector probe lead shielding arrangement with SS clamps are designed to be suitable for fixing on to different pipe line thickness Typically for ROP Tarapur thee are eight pipe line sizes GA drawings for these lead shielding assemblies with SS clamping arrangement are shown in the later pages of this instruction manual CHAPTER IV BLOCK DIAGRAM amp DESCRIPTION Special Purpose Area gamma monitor GA720P is shown in block diagram on the next page It mainly consists of two parts a Detector probe with associated electronics amp b Main measuring unit with majority of uC based functional electronics amp embedded code 4 1 4 2 DETECTOR PROBE ELECTRONICS This consists of energy compensated detector 71210 or its equivalent with pulse processing el
8. S485 Optional This monitor has a RS 485 Serial Communication port for interfacing with a PC The PC and the monitor operate in a host slave configuration in a multi drop network through this interface The PC as the host will give commands and send queries The monitor will carry the various functions as per the required information in response to the queries The firmware of the monitor sends the instrument data like Instrument ID Instrument type Input range Display range alarm settings alarm status current reading diagnostic status of EHT GM tube etc to the Host PC on demand The firmware receives commands from Host PC and carries out the setting of different parameters like Instrument ID Instrument type Input range Display range alarm settings Ack Reset EHT setting Instrument address etc The configuration settings are password protected and the password is user defined The detailed specifications for the interface are as follows Type RS 485 Multi drop Serial Communication Port Half Duplex Bi directional communication Character Format ASCII Protocol Modbus RTU Bit Rate User configurable to 9600 or 19200 bits per sec Address User configurable from 0 to 255 Connector 9 pin D type connectors 2 connectors connected in parallel for daisy chaining a number of instruments The mating connectors with cover are supplied Self Diagnostics The monitor has built in self diagnostics On being powered i
9. SETTINGS Followed by this selection amp upon pressing PROG key one would see the menu as given below MODIFY PASSWORD MODIFY PASSWORD YES NO If user wants to change the pass word he can do so by Aor Wkey Select no option to retain same password Having done that finally we have completed all the PROG button functions amp are ready to save settings The next menu that appear as given below SAVE SETTINGS SAVE SETTINGS Use Aor V_ keys to save all the above settings These are permanently stored in the EEPROM and will be recalled at next powering on of the instrument Having configured for required settings unit is now ready for operation once settings are saved unit automatically gets into operation mode and starts acquiring dose rates and indicates in the display visually 18 5 18 DETAILS OF DIP SWITCH SETTINGS By default all FOUR DIP switch settings are kept in ON position as indicated below in the diagram Out off these FOUR switches only Switch 1 amp 2 is have been used Switches 3 amp 4 are not wired up DIP switch 1 is used for enabling keypad command buttons EHT PROG A amp Y as indicated below and by default it is in enabled condition For disabling keypad DIP switch 1 is to be kept in OFF position Diagrammatically it is indicated below DIP switch 2 is used for disabling ACK amp RESET key command buttons By default it is in ON position For disabling it is kept in OFF
10. ain connection of devices Additionally these signals are made available on 17 pin also Most of the interfacing devices or circuits or peripheral chips are connected to micro controller through 12C bus or ports or I O expanders etc for interfacing 12 PIPOR Amor LSA68d now WMA Bee Je attra UD DIiziz ONT ipag Wo BLOCK DIAGRAM OF SPECIAL PURPOSE GAMMA MONITOR TYPE GA720P Drg A 01 13 5 1 5 2 CHAPTER V OPERATING INSTRUCTIONS INTRODUCTION This chapter illustrates details on configuring and operating the instrument for a desired installation in a plant environment Basically operating instructions are illustrated with the help of menu options responses that appear on LCD LED displays Each of the menus facilitate the user to choose function value to be set or entered as desired for its operation at the installed location An important note to follow for the user is A key can be used to increase the value at the cursor position toggle the option Vv key can be used to shift the cursor position from right to left toggle the option POWER ON CONDITION When instrument is switched on initially the audio visual observations noticed till the indications shown are stable is called power on condition When the power is switched on the following audio visual indications are noticed First to start with one audio beep is heard Followed by this the following visual indications
11. anging amp auto TC selection in the range of 16 sec to 0 5 sec depending upon dose rate Large size 4x7 segment LED indication for dose rate is provided Offered with detector GM131E Large size WINDOWS for NORMAL amp ACTIVE alarm condition 4 to 20 mA current loop output is available for remote indication on a I O connector optional U U U U U U U U U U U U U U 16x2 LCD dotmatrix display for visualization of other parameters Radiation to be detected Range Detector Energy Dependence Accuracy EHT Display Display Resolution Overload Over range Recorder output Time Constant Normal Slow Abrupt detection CHAPTER Il TECHNICAL SPECIFICATIONS X ray amp Gamma Radiation 0 01 to 100 00 mR hr 0 1 to 1000 0 uSv hr 0 to 50000 CPM 0 to 2000 CPS Range and Unit are configurable Energy compensated Halogen quenched G M Tube GM131E Within 18 of true dose rate from 100 keV to 1 33 MeV gamma rays 10 with Cs 137 400 V to 700 V DC adjustable Typical 500V Auto ranging direct reading 6 digit 7 segment LED display amp 16x2 LCD display 6x7 LED display is interfaced using multiplexed display driver 6x7 segment display is used for display of dose rate and hardware status indication amp 16x2 LCD for visualization of preset alarm and other parameters 0 01mR hr 0 1 uSv hr 1 CPS 1 CPM Senses overload above 200 of full scale and upto 10R h amp indicates OL o
12. antee if you like to send the equipment low cost less than 6 0 lakhs for repairs to our works you may please observe the following procedure Send an e mail with details mentioning that you agree to pay service charges which includes Basic service charges per unit module in the range of Rs 2500 to Rs 10 000 depending on the sophistication of the unit calibration charges if applicable for your equipment cost of components packing charges Return Freight charges actual Once our customer support department responds amp requests you to despatch the equipment to our works for repairs you may do so by following the steps given below Followed by this you can send the equipment straight away if it is within 5 yrs old If the equipment is beyond 5 yrs old then also you can send it for repairs however only after you receive confirmation from Customer Support Division that it is repairable amp is not an obsolete model If the design is obsolete then customer support division CSD may give you buy back offer to replace with new model or upgrade it with electronic circuit boards amp enclosure For all installed equipments costing above Rs 6 0 lakhs which are larger in size amp for which field servicing only is recommended you can obtain a quotation with relevant details by sending an e mail amp avail the services accordingly For all field servicing jobs since we need to depute engineers it is likely to take time amp also
13. ation damages or loss during transportation both ways 6 Immediately on receipt of the equipment we will send an acknowledgement amp also a proforma bill by email post 7 Based on the proforma bill once we receive the payment equipment will be dispatched back by similar mode of transportation as mentioned above HOW TO AVAIL CALIBRATION SERVICES FOR FOREIGN CUSTOMERS Foreign customers can calibrate Nucleonix make Radiation monitors equipments in their country at any of their accredited Radiation calibration labs Nucleonix systems will be happy to provide any help and guidance if needed for calibration Alternatively if you send the equipment here to India we can also provide calibration services Calibration Standards Lab amp Facility We have two calibration labs i Low Level Calibration Lab li High Dose Rate Calibration lab Low Level Calibration Lab This has a Cs 137 165 mCi standard Gamma Survey Instruments Calibrator from Amersham This calibration service has NIST Traceability standard Calibration of all portable radiation monitors survey meters contamination monitors Area monitors etc is carried out in this lab upto 1 R hr max dose rates 22 6 5 Gamma Survey instruments calibrator has Cs 137 source 161 5 mCi as on 05 Aug 2002 It is basically a gamma survey instruments calibrator procured from AEA Technologies UK USA Has NIST traceability accuracy within _ 7 High Dose Rate Calibration Lab T
14. d shielding for external detector probe for mounting arrangement pipe line d External detector probe e A C mains cord f 10 meter multi core cable to connect detector probe to main GA unit Pictures of these items are given below Area gamma monitor GA720P A C Mains cord HI O Picture shows lead shielding Electronic Unit wall mounting Connecting cable between arrangement for 33mm dia pipe bracket Electronic Unit and ext line detector probe If any damage to the instrument is observed do not switch ON the unit and report the matter immediately to Head CSD Customer Support Division Nucleonix Systems Private Limited Plot No 162 A amp B PHASE Il D A Cherlapally Hyderabad 500 051 Ph 91 040 27263701 30918055 FAX 91 040 27262146 e mail info nucleonix net In all correspondence regarding the instrument please mention the type serial number of the unit date of supply etc of the unit CHAPTER INTRODUCTION Special purpose Area Gamma Monitor GA720P manufactured by NUCLEONIX SYSTEMS employs state of art microcontroller based design and is primarily meant to serve as a Gamma Monitor to indicate dose rates and give alarm visual and aural once the dose rates exceed the preset level fixed by the user Also relay contacts will be activated on alarm condition This monitor is required for monitoring certain process systems like process cooling water system steam handler condensate s
15. ectronics TTL to RS485 converter and 500V HV module for detector biasing Detector output signals generated from RS485 transmitter chip are fed to main PCB through 5 pin I O cable connected to the Electronic unit These signals are received by RS485 receiver chip amp counted by a 6 digit BCD counter in the main PCB The output of this counter is read by micro controller continuously The 5V power supply required for HV module and pulse processing SIL chip generated on main board is taken through a 5 pin I O cable to this detector probe unit MAIN PCB CIRCUITS Low voltage supplies 5V 18V 24V amp 5V iso are generated through mains transformer secondary amp three terminal regulator chips All these supplies are used internally to power up various circuits for their functionality A four channel ADC reads fraction of HV amp LVs amp reports to micro controller under program control to indicate HV amp LV failures if any to the user User interface to GA720P is through keypad command buttons EHT PROG INC DEC ACK amp RESET These keys enable the user to configure amp select various programmable options such as alarm set point unit of measurement baud rate for communication calibration factor amp many more such functions etc EEPROM serves as a memory device to store all the configured parameters including instrument ID etc There are two visual displays provided a 16x2 LCD display amp b 6 digit 7 segme
16. ed spares spare tested PCBs detectors amp other critical components which may become obsolete e Obsolescence in electrons is quite rapid If you enter into AMC guaranteed service for the period of AMC will be the responsibility of Nucleonix Systems e Nucleonix Systems will maintain Engineers at your disposal to attend to AMC calls on time e Without AMC prompt service calls are not guaranteed e f some critical components become obsolete then Nucleonix systems may request you to upgrade the product with new model or new electronics which may be expensive if you are not under AMC Training on maintenance servicing e Toa limited extent we offer training on maintenance repairs at our works to customers on chargeable basis Details can be obtained from our customer support division by customers who may require such services 23
17. election of PROG key after this above function set is DEVICE ADDRESS Default setting is mR hr 16 5 11 5 12 5 13 5 14 DEVICE ADDRESS This is a three character numerical value This is RS485 address of the instrument limits 0 255 Default settings is 000 DEVICE ADDRESS XXX User can select desired three digit address ID of the instrument Use A or Y keys to load this value Having completed this task press PROG button for the next menu i e AUTO ACK AUTO ACKNOWLEDGE This is a selection option for alarm Ack AUTO ACK ON OFF 5 min By A or one can select or toggle this option If it is selected as ON after 5 minutes automatically alarm is acknowledged amp audio alarm goes MUTE However visual alarm remains active Followed by this the next menu option is MAX SCALE which is prompted on pressing PROG button Default setting is OFF MAX SCALE Depending on the unit chosen i e mR hr or uSv hr or cps or com the maximum permissible scales are 100 1000 2000 and 50 000 respectively User can choose any value upto a max of this upper limit amp a value above the minimum value Any value chosen out of these boundaries will be ignored at the time of saving settings and default values will be loaded In the display chosen unit will appear amp appropriate max value desired can be entered by the user Similar is the case for other units such as uSv hr cps or com After s
18. election of max scale user can now select PROG button to go to next menu option as follows Default setting is 100 00mR hr MAX mR hr 4 20mA XXX XX MIN SCALE MIN mR hr 4 20mA XXX XX Depending on the scale selected initially appropriate unit i e typical mR hr appears in the display User cannot enter the min scale value which is equal or above the max scale value selected Any value not meeting boundary conditions will be ignored while saving the settings amp default value will be loaded Similar if the engineering unit changed then the min amp max scales are tabulated as follows 5 15 5 16 5 17 Engineering Unit Max scale 4 20mA Min scale 4 20mA mR hr 100 00 000 00 uSv hr 1000 0 0000 0 CPS 2000 0000 CPM 50000 00000 Followed by this on pressing PRG button the following menu appears load default settings Note Max amp Min scales are primarily for current loop scaling for control room operation Also in the visual LED display also the same scales are set Any value exceeding this max scale will show as over range as per definition in the LED display However in the lower LCD display it continues to show dose rate as per actual value Default setting is 000 00mR hr LOAD DEFAULT SETTINGS In case the user wants to retain default settings he can skip all the previous menus amp select this menu amp chose option by pressing A or key for default settings LOAD DEFAULT
19. for connecting to the A C power cable to power up the Electronic unit Pin Number Signal 1 Live Neutral Chassis Earth GND 3 4 2 9 PIN D MALE amp FEMALE CONNECTOR RS485 IN amp RS845 OUT This carries RS485 signals for data communication under RS485 network for SCADA applications Pin Number Signal 1 No Connection 2 RS 485 A 3 RS 485 B 4to9 No Connection 3 4 3 17 PIN MS FEMALE CONNECTOR EXT I O This carries required important signals to control room These include current loop relay contact voltage output alarm Ack amp RESET Pin Signal Pin number Signal number A Current O P ve I out ve H N C Changeover II B Current O P ve I out ve GND J N O Changeover II C Voltage O P ve V out ve K COM Changeover D Voltage O P ve V out ve L N C Changeover E Alarm Acknowledge M N O Changeover F Alarm reset N R P No Connection G COM Changeover II S Data esa T Data 3 4 4 5 pin MS MALE CONNECTOR TO DETECTOR PROBE This gets connected to external detector probe Detector output TTL is converted to RS485 format amp transmitted to main unit through long connecting cable between detector probe amp Electronic unit Pin Number Signal A GND B 5V C RS 485 A Data For connecting to detector side D RS 485 B Data RS485 Transceiver E Fraction of HV 9 pin D Female Connector RS485 IN amp RS845 OUT 5 pin M
20. functions available can be checked Of course the display of these functions is indicated on 16x2 LCD display A key can be used to increase the value at the cursor position toggle the option v key can be used to shift the cursor position from right to left toggle the option RESET key Reset key is used to reset the alarm condition In auto reset once dose rate falls below the preset alarm level audio amp visual alarms reset automatically In manual reset mode alarm active condition is reset only when the user presses Reset button ACK key This key is used to ACK the alarm by the user this function is explained in detail under operating instructions SIDE PANEL AND CHASSIS MOUNTED CONTROLS ON OFF SWITCH This is a toggle switch mounted inside the unit on the chassis which is used to power ON the unit When the switch is put ON the AC mains power is made available to the unit AUDIO BUZZER There is an audio buzzer provided on left side of the main Electronic unit Under alarm condition this unit produces loud beeps with dual frequency tone The audio alarm can be turned off muted by pressing ACK key It can be made OFF permanently through the AUDIO ALARM ON OFF option in PROG menu FUSE HOLDER This is provided on right side control panel Fuse protection provided has a 750 mA fuse SIDE PANEL CONNECTOR DETAILS 3 PIN MS MALE CONNECTOR MAINS This is a 3 pin MS connector male
21. his lab has a 8 Ci Co 60 standard housed in a CRC 2 camera operated remotely viewed through CCTV arrangement High dose rate survey meters High level Area monitors etc are calibrated in this lab This CRC 2 camera is housed in a separate concrete building All the radiation monitors manufactured by Nucleonix Systems are authentically calibrated at this facility before they are shipped dispatched re F PE Ra CRC 2 camera has Co 60 standard obtained from Bhabha Atomic Research Centre Mumbai It is a certified source ANNUAL MAINTENANCE CONTRACT AMC Annual maintenance contract AMC services For all sophisticated instruments amp systems and also for installed monitors amp networked systems in a nuclear facility or a Radiological lab or in a Medical cyclotron facility where no of instruments are networked it is advised that customer enters into an economical Annual maintenance contract with Nucleonix system Detailed AMC proposal can be obtained from our customer support division CSD by giving required inputs Inputs required by our CSD to send you AMC proposal e Name year amp data of purchase SI Nos of equipments Model No s No of equipments for which AMC is required Additionally no of calls per annum required for preventive amp breakdown maintenance may also be indicated Advantage of entering into AMC e Equipment services offered will be prompt amp timely e Nucleonix systems maintain requir
22. in localizing the defective part module or sub system by interacting with the customer if required Skype will be used for communication During warranty free replacement of sub system or board PCB will be done However customer has to send defective sub system back to Nucleonix system with in 15 days on arranging replacement During amp after warranty any Freight charges amp customs clearance charges are to be borne by customers both ways If it is a manufacturing defect then Nucleonix system will bear the replacement cost of sub system unit However any Freight charges amp customs clearance charges in their country are to be borne by customer After warranty services will be similar to that of services during warranty However customer will have to pay for cost of parts replaced freight charges both ways amp customs clearance 21 6 4 6 5 charges in both the countries Nucleonix systems plans to introduce audio visuals on web or on CDs to facilitate product demonstration installation amp minor maintenance very soon HOW TO AVAIL CALIBRATION SERVICES FOR INDIAN CUSTOMERS Nucleonix Systems offers radiation calibration services to its customers Calibration services are provided for Nucleonix Systems manufactured products only in general as a company policy How to avail calibration services It is best advised that each of the Radiation monitors including Area monitors are calibrated once in a year When you wan
23. ll be to your account Only services are free e Please indicate in your correspondence equipment model amp serial number e All the equipments are to be sent to our works only on door delivery basis e For Door Delivery Transportation contact XPS GATI cargo in your city town or a reliable courier service to pick the consignment from your place For their nearest local address amp phone no s look into their websites Transit insurance if the customer feels is necessary it is to be covered e Nucleonix Systems will not receive the equipments sent by other modes of transportation such as Rail Road e After servicing equipments will be sent back by same mode of transport such as XPS GATI COURIER RPP 20 b 6 3 a All types of Radiation detectors glass ware PMTs etc which are fragile are not covered in warrantee if the failure is due to physical damage external or internal due to shock dropping miss handling etc If the failure is due to a natural fault then only it is covered under warrantee for a limited period of three months However complete electronics is covered for 1 year warrantee You can also send the equipment personally to our works for repairs either during or after warrantee after fixing up with our service dept Customer Support Division If possible we may repair on same day or your person can stay for a day or two amp get it repaired amp or calibrated After warrantee Services On expiry of 1yr warr
24. n display Senses if the radiation field being measured has exceeded the measurement range of the instrument above 200 of the higher range and displays OFI 4 to 20 mA with 600 ohm load First reading on Power ON within 5 secs 15 sec to 1 sec automatically varying inversely with the radiation level Count rate Updates the current reading within 2 sec and returns to normal mode Calibration Accuracy 10 through out the range Instrument ON Indication i RED Neon indicating A C lamp Alarm range 0 1 99 9 mR hr OR 0 1 999 uSv hr 1 50000 CPM OR 1 2000 CPS The alarm level setting can be set through front panel keypad or using handheld configurator or PC Front panel keypad is provided with DIP switch de activation Alarm Indication a RED LED flashing large area window display b Loud audio tone dual frequency tone Alarm annunciation scheme As tabulated below Alarm annunciation scheme As tabulated below Parameter Status Visual indication Red LED Audio Normal OFF OFF Abnormal Flashing ON On Acknowledgement Steady RED OFF Back to Normal Steady RED OFF Reset on abnormal Steady RED OFF Reset on normal OFF OFF Instrument Controls a Acknowledgement switch for muting audio b Reset switch for resetting the Alarm indication and alarm relay c Power ON OFF switch This is inside the cabinet with Power ON indication Instrument Fault indication a EHT failure Visual alarm with flashing RED L
25. nother value by A or keys ALARM SET POINT XXX XX Once alarm set point is programmed user can Press PROG key once again to go to next option in RESET AUTO MANU MODE RESET option user can either set it as AUTO or MANU manual In manual reset user has to the menu i e given below RESET MODE press the RESET button to bring back the unit into normal mode once the dose rate falls below the alarm set point In auto mode once the dose rate falls below the alarm set point the unit automatically returns to normal mode and the alarm condition is turned off AUTO MANU option can be selected by A or keys Default setting is Manual Once RESET MODE option is selected user can now press PROG button to go to next menu option i e Audio Status AUDIO STATUS There are FOUR options for the user and any one of the options can be selected by A or Wkeys D TONE TONE 2 TONE 1 OFF These four options include dual tone Tone2 Tone1 amp off mode Once this option is selected then press PROG key to go to next menu option BAUD RATE Default setting is D TONE 15 5 7 5 8 5 9 5 10 BAUD RATE Baud rate is to be selected for data communication in a networked environment for RS485 communication There are two options as indicated in LCD display BAUD RATE 9600 19200 One can select any of the two options for baud rate by using by A orV keys Having done that user can go to next o
26. nt LED display driven by multiplexed display driver LCD display indicates all programmable functions amp their values while programming amp it also indicates dose rate in acquisition mode normal situation LED display indicates dose rate in the selected unit such as mR hr or uSv hr or cps or cpm The other interfaces to micro controller include a Buzzer driver circuit along with buzzer for audio alarm which produces 90 db output at 1 meter distance 11 Visual alarms ACTIVE amp NORMAL cluster LED array GREEN amp RED with their driver circuit to indicate alarm amp normal condition There are unit indication LEDs to show up unit selected out of four options i e mR hr uSv hr or cps or com 14 bit precision DAC converts doserate into 0 5V signals This in turn is fed to a voltage to current convert chip to obtain current loop output 4 to 20mA from the Area Gamma Monitor A relay driver with relay PCB provides two sets of change over contacts for external use This relay is in energized condition in NORMAL condition of area gamma monitor amp in de energized state in ACTIVE condition For data transmission from area gamma monitor to SCADA an RS485 interface has been built using TXD amp RXD pins of micro controller This facilitates area gamma monitors RS485 networking for data communication These RS485 signals have been brought out on a pair of 9 pin D connectors male female for RS485 daisy ch
27. position as indicated below 19 CHAPTER VI AVAILING OF MAINTENANCE CALIBRATION SERVICES AND WARRANTY CLAUSE 6 1 6 2 a with in India GENERAL As per the warranty clause of the company we provide one year warranty during which period we provide free service at our works Hence in case of any mal function in our instruments you are requested to send the unit back to our works by RPP COURIER SPEED POST PARCEL GATI XPS door delivery We shall arrange immediate rectification replacement within two weeks from the date of receipt of the equipment at our place Please note that the equipment will be serviced at our works only The equipment is to be sent to The Servicing Department NUCLEONIX SYSTEMS PRIVATE LIMITED Plot No 162 A amp B PHASE II D A Cherlapally Hyderabad 500 051Ph 040 27263701 329145448 32918055 E mail info nucleonix com www nucleonix com For all the Radiation monitoring equipment detectors built in or external probes will not have one year warranty but only inspection warranty at the time of supply is provided Since detectors will may have fragile glass construction we do not provide warranty In case of failure of these components Nucleonix will supply detector replacement at cost cost price Note In respect of all types of portable radiation monitors it may be necessary to checkup and recalibrate the equipment once a year at our works EQUIPMENT REPAIRS SERVICING POLICY WITH
28. ption by pressing PROG key The next option that appears in LCD display is hardware check Default setting is 9600 HARDWARE CHECK Hardware check can be performed by A orW keys HW CHK This checks LV supplies amp EHT If these are found to be alright display prompts with an indication as OK Following this indication user can now go to the next option in menu by again pressing PROG key This prompts a menu as calibration factor CALIBRATION FACTOR This is a feature provided in the design to facilitate the user to set calibration factor such that the calibration accuracy is within specified range It may so happen that detector to detector sensitivity may slightly vary amp by setting this value suitably one can get desired calibration accuracy Range provided is 0 75 to 1 25 for calibration factor CALIB XX XX FACTOR By default it is set to 1 00 default If user wants to go through calibration again after changing the calibration factor he may do so Having set this amp upon pressing PROG key the next menu option that appears is SET UNIT SET UNIT setting of Engineering unit Here there are four options that appear in the LCD display as shown below SET UNIT mR hr uSv hr cps com User can select any one of the four units as required by his plant facility However by default mR hr unit is set at factory Selection is by A or keys The next menu option that will appear on s
29. t performs tests to ensure that all components and sub systems are functioning properly It checks for the Power supply High Voltage Supply Detector and pulse processing electronics Input Power 230VAC 10 50Hz single phase supply Power ON OFF switch is provided with a neon indicator Spike suppressor and line filter are also provided Environment This instrument can withstand temperature upto 50 deg C and relative humidity upto 90 in radiation areas Environmental compliance As per IS 9000 ANSI N 42 17 The instrument enclosure and detector assembly are IP 54 compliant Electronic unit will withstand cumulative radiation dose of 10000 Rad 30 years of operation EMI EMC compliance As per IEC 61000 ANSI N42 17 Mechanical Enclosure Size 357H x 380W x 140D Weight 8 5kg approx Options 1 16 bit resolution current loop 4 20mA instead of 14 bit resolution 2 Log scale O P for 4 20mA instead of 4 20 linear O P 3 3 5 QVGA color TFT display in lieu of 7 segment LED amp 16x2 LCD display 4 4 RS485 serial interface 5 3 1 3 1 1 3 1 2 CHAPTER Ill FRONT amp SIDE PANEL CONTROLS INDICATIONS FRONT PANEL INDICATIONS NORMAL amp ACTIVE LAMPS The NORMAL lamp GREEN glows during acquisition mode until the dose rate exceeds alarm preset value Once dose rate exceeds alarm preset value then the NORMAL lamp turns OFF and the ACTIVE lamp RED blinks Once the dose rate falls
30. t to send your Radiation monitor Area monitor Contamination monitor for calibration to our works You may send the equipment for calibration by following the steps given below 1 Our standard calibration charges per equipment All types of Radiation monitors including portable survey meters contamination monitors amp Area Gamma Monitors are Rs 2500 Packing Freight charges You can email a work order accepting these charges 2 Email your work order and despatch send the equipment to our works if it is 5 years old or less including details of mode of transport sent with docket particulars 3 Also mention in your work order amp clearly indicate that you will agree to pay calibration charges amp also equipment repair charges additionally if the unit is faulty amp requires repairs before one can take it up for calibration 4 You are requested to ensure good packing to avoid any transportation damages Especially if there are external detector probes they are to be packed with sufficient soft foam to ensure no damage in transportation 5 Use only the specified following mode of transportation system for dispatching on door delivery basis XPS GATI cargo Courier RPP Speed Post parcel etc Send the equipment on freight paid basis Equipments sent by other methods such as Rail Road etc will not be collected Also you can cover for transit insurance both ways if you wish Nucleonix system is not responsible for any transport
31. will be lit Red cluster LED window will flash for a while and goes off Followed by this normal cluster LED window will be lit additionally other LED S for dose rate unit indication will all glow for a while and default selected unit LED will lit permanently The status of LCD and large LED display with power on condition is given in the following table When we switch ON the unit the LCD display will show up LCD display AREA GAMMA for 1 sec MONITOR then NUCLEONIX for another 1 sec SYSTEMS Followed by this unit goes into acquisition mode and displays the following on 2 LED display NNN XX And 16x2 LCD display XXXX XX mR hr A Character A blinks indicating that dose rate acquisition is ON amp mR hr unit is default unit stored 14 5 3 5 4 5 5 5 6 ENTER PASSWORD Now to program amp configure the unit for desired functions or to change preset values user has to go through PROG button key Different menus will appear as follows On pressing PROG key first time unit will display menu as follows prompting the user to enter factory set four digit PASSWORD ENTER a PASSWORD XXXX To enter the password use A or keys If the password entered is correct then it will go to next option of the menu as given below amp facilitates the user to enter ALARM SET POINT ALARM SET POINT GA720P will show the current default alarm set value of 5 00 mR hr If user wants he can change to a
32. ystem effluent discharge lines etc for any leak of radioactive solution It comprises of a wall mounted electronic unit and an external detector probe Basically GA720P detector probe with appropriate lead shielding coverage is mounted on pipe lines of different size to monitor doserate level in a radiochemical plant This unit indicates the dose rate digitally on a 4 x 7 segment LED display Each of the annunciator windows for NORMAL and ACTIVE conditions has LED array Once alarm triggers ACTIVE window starts blinking Unit can be programmed configured using front panel keypad which can be deactivated after completion of programming Configuring the unit namely setting preset level setting reset mode AUTO MANUAL etc are achieved by this keypad Unit also performs self diagnostics for HV failure pulse processing electronics failure amp detectors failure on power up Alarm acknowledge and reset pins are provided on the circular I O connector for remote acknowledge amp reset Some important features of this unit are Performance specifications confirm to ANSI N42 17A EMI EMC compliance as per IEC 61000 Structural design of instrument enclosure seismic qualified confirming to IEEE 344 STD Instrument enclosure and detector assembly are IP 54 compliant Radiation tolerant upto 10 Rads Firmware tested based on IEEE std 1012 Microcontroller based design has been employed Dose rate range covered 0 01mR hr 99 99mR hr Auto r
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